Family: Col. Hon. Thomas Maurice Ponsonby / Maxine Henrietta Thelluson (F3562)
m. 12 Jul 1956Hubert William Ponsonby, 5th. Baron de Mauley (1878-1962) 
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Elgiva Margaret Dundas (1897-1987)
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| William Dudley Keith Thelluson (1893-1967) |
| Vera Mary Grinling (1900-1954) |
| Col. Hon. Thomas Maurice Ponsonby ( -2001)
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| Maxine Henrietta Thelluson (1934-2020)
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